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* “This eye-opening, cogent, and well-structured volume will enlighten students to both the richness of the animal kingdom and the nature of intelligence itself.”— Booklist, STARRED review

“Castaldo (The Story of Seeds) presents a thought-provoking look at the minds and perceptions of animals, as well as the way human understanding of the subject has evolved…”—Publishers Weekly

“The information is conveyed in an enticing way that is sure to spark the interest of aspiring naturalists and researchers… A fascinating take on animal science for tween and teen zoologists.”— School Library Journal